How do we fix Britain's stagnant economy?

Advanced economies are not seeing the economic growth that they once did, and none more so than the UK where there has been little productivity or real wage growth since 2008. What factors have contributed to this? Which industries will be at the forefront as we chart a path towards a high-growth British future? Kate Andrews speaks to American economist Tyler Cowen, at Civic Future's Great Stagnation Summit in Cambridge.  Produced by Oscar Edmondson.